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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2017-10-09 13:03:31 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-10-10 13:10:20 +0300 |
| commit | 8272170f7da34e2554bed10ab76582094ea6816d (patch) | |
| tree | 480b492ea5bd1668fead9d998b7db1e6d19010d9 /drivers/gpu/drm/etnaviv/etnaviv_gpu.c | |
| parent | 4046217954d4e79d57d34c56ce42dec4f87e2ce9 (diff) | |
| download | linux-8272170f7da34e2554bed10ab76582094ea6816d.tar.xz | |
drm/etnaviv: remove unnecessary clock stabilization delay
There is no reason to wait for clock stabilization here, as the clock
framework guarantees that PLL clock sources are stable before clk_enable
returns.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 95ee479c95cb..8197e1d6ed11 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -444,9 +444,6 @@ static int etnaviv_hw_reset(struct etnaviv_gpu *gpu) control = VIVS_HI_CLOCK_CONTROL_FSCALE_VAL(fscale); etnaviv_gpu_load_clock(gpu, control); - /* Wait for stable clock. Vivante's code waited for 1ms */ - usleep_range(1000, 10000); - /* isolate the GPU. */ control |= VIVS_HI_CLOCK_CONTROL_ISOLATE_GPU; gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, control); |